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Senior Management Profiles

GBB believes that solid waste is a valuable resource that can be creatively managed – while protecting our soil, air, water and people – and this is our passion, and our focus. Learn more about GBB's senior management extensive expertise and the shared passion for innovative, sustainable solid waste management solutions:

Harvey W. Gershman

Harvey W. Gershman

President & Co-Founder
B.S., Mechanical Engineering, Northeastern University
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Bob Brickner

Robert H. Brickner

Founder Associate and Co-Founder
B.S., Civil Engineering, University of Pittsburgh
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Timothy J. BrattonTimothy J. Bratton

Co-Founder
M.B.A., University of Pittsburgh;
B.S., Biology, Indiana University of Pennsylvania
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John G. Carlton, PE, BCEE

John G. Carlton, P.E., BCEE

Senior Vice President
BS, Civil and Environmental Engineering, Duke University
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Christopher A. Lund, PE

Christopher A. Lund, P.E., PSS

Senior Vice President
B.S. degree in Civil and Environmental Engineering from the University of Wisconsin-Madison
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Stephen SimmonsStephen Simmons

Senior Vice President
B.S., Mechanical Engineering, University of Missouri – Rolla
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lori-scozzafavaLori Scozzafava

Senior Vice President, Operations Officer
MBA, Business Management, University of Maryland – Robert H. Smith School of Business
BA, Environmental Science, Bucknell University

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David J. ManningDavid L. Manning

Special Principal Associate
Master of Public Administration, University of Alabama, Tuscaloosa;
Fellow, Southern Regional Training Program, Public Administration;
B.A., University of Alabama, Tuscaloosa
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